<!--
Copyright 2012 Google Inc. All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->

<!DOCTYPE html>
<body>
<style>
body {
  margin: 0px;
}
.test {
  height: 50px;
  background: lightsteelblue;
}
.red {
  background: red;
}
.expectation {
  position: relative;
  background: red;
}
</style>
<script>
"use strict";
// Create the elements
var states = {'visible':1, 'hidden':1, 'collapse':1};
for (var start in states) {
  for (var end in states) {
    var frames = [start, end];
    var testContainer = document.createElement('div');
    testContainer.textContent = 'visibility: ' + JSON.stringify(frames);
    document.body.appendChild(testContainer);
    if (end == 'visible') {
      var expectation = document.createElement('div');
      expectation.classList.add('expectation');
      testContainer.appendChild(expectation);
    }
    var testElement = document.createElement('div');
    testElement.classList.add('test');
    testElement.id = start + "_" + end
    if (end == 'hidden' || end == 'collapse') {
      testElement.classList.add('red');
    }
    testContainer.appendChild(testElement);
  }
}

</script>
<script src="../bootstrap.js"></script>
<script>
"use strict";
var timing = {iterationDuration: 0.5, timingFunction: 'steps(2, end)'};

// Add the animations
var animations = [];
for (var start in states) {
  for (var end in states) {
    var effect = [{visibility: start}, {visibility: end}];
    var testElement = document.getElementById(start + "_" + end);
    animations.push(
        new Animation(testElement, effect, timing));
  }
}
</script>
<script>
"use strict";
animations.forEach(function(anim) { document.timeline.play(anim); });
</script>
